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Map Projections GB United Kingdom Map Projection
Map Projections United Kingdom
OSGB36 - British National Grid
Cassini Projection
OSGB36 - British National Grid United Kingdom Map Projection
Transverse Mercator on the Airy 1830 Ellipsoid
Zone Great Britain, without Northern Ireland United Kingdom Map Projection
graphic19. March 1999
British National Grid - OSGB36; Transverse Mercator; Airy 1830
Area of Use: Great Britain, without Northern Ireland
graphic
Projection   TRANSVERSE
Units        METERS
Spheroid     AIRY
Parameters
0.9996012717 /* scale factor at central meridian
-2 00  0.000 /* longitude of central meridian
49 00  0.000 /* latitude of origin
400000.00000 /* false easting (meters)
-100000.00000 /* false northing (meters)
graphic
related information
Map Projections NIR
Information on the National Grid at Ordnance Survey United Kingdom Map Projection
graphic27.05.2007
related information
Information on the National Grid
Interactive Guide to the National Grid at Ordnance Survey United Kingdom Map Projection
graphic27.05.2007
related information
Interactive Guide to the National Grid
Cassini Projection United Kingdom Map Projection
The Cassini Projection (or Cassini -Soldner) was the projection most commonly used by Ordnance Survey until 1945.
About the Cassini Projection United Kingdom Map Projection
related information
About the Cassini-Projection at Ordnance Survey
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